705539616 has 48 divisors (see below), whose sum is σ = 1949522400. Its totient is φ = 222801408.

The previous prime is 705539587. The next prime is 705539623. The reversal of 705539616 is 616935507.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×705539616² = 995572299490854912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191581 + ... + 195228.

It is an arithmetic number, because the mean of its divisors is an integer number (40615050).

Almost surely, 2^705539616 is an apocalyptic number.

705539616 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

705539616 is an abundant number, since it is smaller than the sum of its proper divisors (1243982784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

705539616 is a wasteful number, since it uses less digits than its factorization.

705539616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386841 (or 386833 counting only the distinct ones).

The product of its (nonzero) digits is 170100, while the sum is 42.

The square root of 705539616 is about 26561.9957081542. The cubic root of 705539616 is about 890.2400631710.

The spelling of 705539616 in words is "seven hundred five million, five hundred thirty-nine thousand, six hundred sixteen".